Avoid redundant builds

.github/workflows/pipeline.yml

@@ -4,11 +4,19 @@ on:
   push:
     branches:
       - main
+  pull_request:
+    branches:
+      - main
+    types: [opened, synchronize]
 
 jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
+      - name: cancel Previous Redundants Build
+        uses: styfle/[email protected]
+        with:
+          access_token: ${{ github.token }}
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0